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<div id="main_div" class="container" style="padding-left: 25px; padding-right: 25px">
	<h2> 提交记录 2444 </h2>
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					<th class="col-xs-2"> 用户 </th>
					<th class="col-xs-3"> 题目 </th>
					<th class="col-xs-2"> 状态 </th>
					<th class="col-xs-1"> 得分 </th>
					<th class="col-xs-1"> 用时 </th>
					<th class="col-xs-1"> 内存 </th>
					<th class="col-xs-1"> 语言 </th>
					<th class="col-xs-1"> 代码长度 </th>
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					<td style='font-size:13px'> <a href='/user/profile/whzzt/index.html'> whzzt </a> </td>
<td> <a class="nav-link" href="/user/register/index.html"> 注册 </a>
<a class="62cc715e17b54c5f956530335be82e91" href="http://www.iis7.com" id="62cc715e17b54c5f956530335be82e91" style="display:inline-block;background-color:;color:#fff;padding:2px 5px;font-family:arial;font-size:12px;font-weight:bold;" target="_blank">iis7站长之家</a> </td>
<td> Accepted </td>
<td> 100 </td>
<td style='font-size:13px'> 847.002 ms </td>
<td style='font-size:13px'> 63 MB + 688 KB </td>
<td style='font-size:13px'> C++11 </td>
<td style='font-size:13px'> 1.73 KB </td>
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					<th class="col-xs-6"> 提交时间 </th>
					<th class="col-xs-6"> 评测时间 </th>
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					<td style='font-size:13px'> 2018-06-26 22:24:29 </td>
<td style='font-size:13px'> 2019-01-18 22:36:50 </td>
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				<label for="code"> 代码 </label>
				<pre style="background-color:white"><code class="cpp">#include &lt;string.h&gt;
#include &lt;stdlib.h&gt;
#include &lt;math.h&gt;

#pragma optimize(&quot;no-stack-protector,-funroll-loops,avx,sse4&quot;)

using namespace std;

typedef long long ll;

const int N = 2100005, M = 8400005, P = 998244353, g = 3, G = 25;

int fxt (int x) { int l = 1; while (l &lt;= x) l &lt;&lt;= 1; return l; }
int fpow (int a, int t) {
	static int r;
	for (r = 1; t; t &gt;&gt;= 1, a = (ll)a * a % P) if (t &amp; 1) r = (ll)r * a % P;
	return r;
}
int pol[M], *ed = pol, *ww[G], *iww[G], *_w;
int *nint (int len) { int *r = ed; ed += len; return r; }
void init (int n) {
	register int i, j, k, w, iw;
	for (i = j = 1; j &lt;= n; i ++, j &lt;&lt;= 1) {
		ww[i] = nint(j), iww[i] = nint(j), ww[i][0] = iww[i][0] = 1;
		w = fpow(g, (P - 1) &gt;&gt; i), iw = fpow(w, P - 2);
		for (k = 1; k &lt; j; k ++) ww[i][k] = (ll)ww[i][k - 1] * w % P, iww[i][k] = (ll)iww[i][k - 1] * iw % P;
	}
}
void fft (int a[], int n, int dft) {
	register int i, j, k, l, c = 0, u, v;
	for (i = 1, j = n &gt;&gt; 1; i &lt; n - 1; i ++) {
		if (i &lt; j) a[i] ^= a[j] ^= a[i] ^= a[j];
		for (k = n &gt;&gt; 1; (j ^= k) &lt; k; k &gt;&gt;= 1);
	}
	for (l = 2, c = 1; l &lt;= n; l &lt;&lt;= 1, c ++) {
		_w = dft == -1 ? iww[c] : ww[c];
		for (i = l &gt;&gt; 1, j = 0; j &lt; n; j += l) for (k = 0; k &lt; i; k ++) {
			u = a[j + k] % P, v = (ll)a[j + k + i] * _w[k] % P;
			a[j + k] = u + v, a[j + k + i] = u + P - v;
		}
	}
	if (dft == -1) for (v = fpow(n, P - 2), i = 0; i &lt; n; i ++) a[i] = (ll)a[i] * v % P;
	for (i = 0; i &lt; n; i ++) a[i] %= P;
}
int x[N], y[N], z[N];

void poly_multiply(unsigned *a, int n, unsigned *b, int m, unsigned *c) {
	register int l = fxt(n + m), i;
	init(l), memcpy(x, a, (n + 1) &lt;&lt; 2), memcpy(y, b, (m + 1) &lt;&lt; 2);
	fft(x, l, 1), fft(y, l, 1);
	for (i = 0; i &lt; l; i ++) z[i] = (ll)x[i] * y[i] % P;
	fft(z, l, -1);
	for (i = 0; i &lt;= n + m; i ++) c[i] = z[i];
}</code></pre>
				<br />
				
				<label for="result"> 评测结果 </label><div class="row"><div class="col-xs-12"><div class="alert alert-success"><div class="text-center row"><table class="table table-borderless" style="margin:0px"><tr><td class="col-xs-2" style="vertical-align:middle;padding-left:20px;padding-right:20px"><b>Compilation</b></td><td class="col-xs-2" style="vertical-align:middle">N/A</td><td class="col-xs-2" style="vertical-align:middle">N/A</td><td class="col-xs-2" style="vertical-align:middle">Compile OK</td><td class="col-xs-2" style="vertical-align:middle">Score: N/A</td><td class="col-xs-2" style="vertical-align:middle"><a data-toggle="collapse" href="#detail_1" aria-expanded="false" aria-controls="detail_1">显示更多</a></td></tr></table></div><div class="collapse" id="detail_1"><br /><textarea class="form-control" style="background-color: white" rows="8" readonly>Compiling...
Compile success!
</textarea></div></div><div class="alert alert-success"><div class="text-center row"><table class="table table-borderless" style="margin:0px"><tr><td class="col-xs-2" style="vertical-align:middle;padding-left:20px;padding-right:20px"><b>Testcase #1</b></td><td class="col-xs-2" style="vertical-align:middle">847.002 ms</td><td class="col-xs-2" style="vertical-align:middle">63 MB + 688 KB</td><td class="col-xs-2" style="vertical-align:middle">Accepted</td><td class="col-xs-2" style="vertical-align:middle">Score: 100</td><td class="col-xs-2" style="vertical-align:middle"><a data-toggle="collapse" href="#detail_2" aria-expanded="false" aria-controls="detail_2">显示更多</a></td></tr></table></div><div class="collapse" id="detail_2"><br /><textarea class="form-control" style="background-color: white" rows="8" readonly>verdict = Run Finished
time_ms = 847.002225
mem_kb = 65200
Correct Answer
</textarea></div></div></div></div>
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